CN111963850A - Single-motor two-stage transmission composite elevator of inspection robot - Google Patents

Single-motor two-stage transmission composite elevator of inspection robot Download PDF

Info

Publication number
CN111963850A
CN111963850A CN202010907561.5A CN202010907561A CN111963850A CN 111963850 A CN111963850 A CN 111963850A CN 202010907561 A CN202010907561 A CN 202010907561A CN 111963850 A CN111963850 A CN 111963850A
Authority
CN
China
Prior art keywords
gear
lifting
guide rail
sliding block
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010907561.5A
Other languages
Chinese (zh)
Inventor
周炳露
张磊
蒋清
邵正军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haode Technology Co Ltd
Original Assignee
Haode Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haode Technology Co Ltd filed Critical Haode Technology Co Ltd
Priority to CN202010907561.5A priority Critical patent/CN111963850A/en
Publication of CN111963850A publication Critical patent/CN111963850A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • F16M11/28—Undercarriages for supports with one single telescoping pillar
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Manipulator (AREA)

Abstract

The invention discloses a single-motor two-stage transmission composite elevator of an inspection robot, which comprises a fixed assembly and a movable assembly, wherein the fixed assembly comprises a lifting motor, a lifting gear and a transmission rack; the moving assembly comprises a ball screw, a screw nut, a lifting rack and a gear box, and a transmission gear, a transition gear and a bevel pinion are arranged in the gear box; the lifting gear is meshed with the lifting rack to form a primary lifting mechanism, the transmission gear is meshed with the transmission rack to form a secondary lifting mechanism, the screw nut and the ball screw form a ball screw moving pair, the small bevel gear is coaxially connected with the ball screw, and the small bevel gear is connected with the transmission gear through the transition gear. The lifting structure with one motor driving two motors is adopted, so that a secondary motor is omitted, and the manufacturing cost is reduced; and the two-stage lifting mechanism runs synchronously, so that the rotating speed of the single motor can be reduced by half compared with that of double motors, the torque of the motor is increased, and the durability of the motor is improved.

Description

Single-motor two-stage transmission composite elevator of inspection robot
Technical Field
The invention relates to the technical field of inspection robots, in particular to a single-motor two-stage transmission composite elevator of an inspection robot.
Background
The inspection robot takes a mobile robot as a carrier, a visible light camera, an infrared thermal imager and other detection instruments as a load system, and an embedded computer as a software and hardware development platform of a control system, and has the functions of obstacle detection and identification, autonomous operation planning, autonomous obstacle crossing, autonomous inspection of a line corridor, inspection of images and data, background inspection operation management, analysis and diagnosis and the like.
The data center inspection robot applied to the indoor machine room advances in a fixed corridor according to a preset planning route, and a detection instrument in a terminal box is started at a scanning position of a control cabinet to detect the control cabinet at the station. Patrol and examine robot and utilize elevating system to transport terminal box directly perpendicularly to the high-order from the low level, the elevating system who has been used for patrolling and examining the robot mainly includes two types, chain or belt drive's elevating system and rack and pinion formula elevating system, if:
chinese patent CN108436943A discloses an equipment inspection robot, which includes: the system comprises a navigation chassis 11, a lifting device 12, a data acquisition device 13 and a master control system 14; the navigation chassis 11 includes: the device comprises a laser receiving and transmitting unit, a motion unit and a path planning unit; the laser receiving and sending unit is used for generating an equipment inspection map according to an area to be inspected, and the path planning unit is used for planning the path of the area to be inspected according to the equipment inspection map; the navigation chassis 11 is used for carrying the equipment inspection robot through the motion unit and performing inspection in the area to be inspected according to the path planned by the path planning unit. This patent has chain elevating system's chain structure elasticity unstability, the high problem of operational failure rate.
Chinese patent CN110919694A discloses a compact combined rack type elevator with low starting point and long stroke, which comprises a main structure and accessories for supplying power and control signals to the main structure, wherein the main structure comprises a fixed component, a sliding support power component and a lifting load platform component; the lifting load platform assembly slides on the sliding bracket assembly. The double-rack lifting mechanism driven by the double motors is adopted in the patent, and the problems of high manufacturing cost, complex assembly process of the motors and the auxiliary cables thereof and difficulty in maintenance exist.
Disclosure of Invention
The problems that in the prior art, a chain lifting mechanism is unstable in tightness of a chain structure and high in operation failure rate, and a double-rack lifting mechanism is high in manufacturing cost, complex in motor and accessory cable assembling process and difficult to maintain are solved; the invention provides a single-motor two-stage transmission composite elevator of an inspection robot.
The technical scheme adopted by the invention is as follows:
a single-motor two-stage transmission composite elevator of an inspection robot comprises a fixed assembly and a movable assembly, wherein the fixed assembly comprises a fixed support, and a lifting motor, a lifting gear, a transmission rack and a motor driver which are arranged on the fixed support; the motor driver is used for driving the lifting motor to rotate, and the lifting gear is coaxially and fixedly connected with an output shaft of the lifting motor; the moving assembly comprises a lifting support, a ball screw, a secondary guide rail, a screw nut, a secondary slider, a lifting rack and a gear box, wherein the ball screw, the secondary guide rail, the screw nut, the secondary slider, the lifting rack and the gear box are arranged on the lifting support; the screw nut is connected with the second-stage sliding block to form an assembly, the screw nut and the ball screw form a ball screw transmission pair, the second-stage sliding block and the second-stage guide rail form a guide rail sliding block moving pair, the gear box is fixed at the bottom of the ball screw, the small bevel gear is coaxially sleeved at the lower end of the ball screw and meshed with the large bevel gear, and the large bevel gear is meshed with the transmission gear through the speed change gear set; the lifting gear is meshed and connected with the lifting rack to form a primary lifting mechanism, and the transmission gear is meshed and connected with the transmission rack to form a secondary lifting mechanism.
Furthermore, the fixing assembly also comprises a primary main guide rail and a primary auxiliary sliding block, the primary main guide rail is vertically fixed on the fixing support, and the primary auxiliary sliding block is fixed at the upper end of the fixing support; the lifting assembly also comprises a primary auxiliary guide rail and a primary main sliding block, the primary auxiliary guide rail is vertically fixed on the movable support, and the primary main sliding block is fixed at the lower end of the movable support; the first-stage auxiliary sliding block and the first-stage auxiliary guide rail form a first guide rail sliding block moving pair, the first-stage main sliding block and the first-stage main guide rail form a second guide rail sliding block moving pair, and the first guide rail sliding block moving pair and the second guide rail sliding block moving pair form an interlocking structure.
Furthermore, an upper cushion block and a lower cushion block are arranged at the upper end of the fixed support, the lower cushion block is used for buffering between the primary main sliding block and the primary main guide rail when the movable assembly runs to the highest point, and the upper cushion block is used for buffering between the primary auxiliary sliding block and the primary auxiliary guide rail when the movable assembly runs to the lowest point.
Furthermore, the ball screw is vertically arranged on the lifting support in a rotatable manner through an upper screw support and a lower screw support, and the screw shaft cover is fixed on the screw supports and forms a support frame with the screw supports.
Further, the screw nut is connected with the second-stage sliding block through a sliding block bracket.
Furthermore, the speed change gear set comprises a first speed change gear, a second speed change gear and a third speed change gear, the second speed change gear and the first speed change gear are coaxially connected and mounted on the inner upper side of the gearbox cover, the third speed change gear and the large bevel gear are coaxially mounted on the inner lower side of the gearbox cover, the third speed change gear is meshed with the first speed change gear, and the transmission gear is meshed with the second speed change gear.
Furthermore, the structure and the size of the gear rack of the primary lifting mechanism are the same as those of the gear rack of the secondary lifting mechanism.
The invention has the beneficial effects that:
1. a lifting structure with one motor driving two motors is adopted, so that a secondary lifting motor is omitted, and the manufacturing cost is reduced;
2. the motor, the cable and the driver are all installed at the fixed end, the problems of wiring harness and tow chain installation do not need to be considered, and the manufacturing and assembling process is simplified;
3. the double-guide-rail sliding block interlocking structure is adopted, so that the whole operation of the elevator is more stable and reliable, and the elevator is not easily influenced by external vibration and bad road conditions;
4. because the two-stage lifting synchronous operation is realized, the rotating speed of the single motor can be reduced by a half compared with that of double motors, the torque of the motor is increased, and the service durability of the motor is improved.
Drawings
Fig. 1 is a schematic structural view of a single-motor two-stage transmission composite elevator of the present invention.
Fig. 2 is a schematic structural view of a fixed bracket of the single-motor two-stage transmission compound elevator of the present invention.
Fig. 3 is a front view schematically showing the structure of the sliding support of the single-motor two-stage driving compound lifter according to the present invention.
Fig. 4 is a rear view of the sliding support of the single motor two-stage driving compound lifter of the present invention.
Fig. 5 is a first structural schematic diagram of the gearbox of the single motor two-stage drive compound elevator of the present invention.
Fig. 6 is a second structural schematic of the gearbox of the single motor two stage drive compound lift of the present invention.
Detailed Description
In order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples.
Example 1
Referring to fig. 1 to 6, the present embodiment provides a single-motor two-stage transmission composite lifter for an inspection robot, which includes a fixed assembly 100 and a movable assembly 200.
As shown in fig. 2, the fixing assembly 100 is composed of 12 parts, namely, an upper cushion block 101, a lower cushion block 102, a lifting motor 103, a lifting gear 104, a transmission rack 105, a fixing bracket 106, a primary main guide rail 107, a fixing top plate 108, an auxiliary bracket 109, a primary auxiliary slider 110, a motor driver 111, and a fixing bottom plate 112.
The four parts of the fixing support 106, the fixing top plate 108, the auxiliary support 109 and the fixing bottom plate 112 are fixed by screws to form a mounting frame of the fixing assembly 100, and the fixing support 106 and the auxiliary support 109 are connected in parallel between the fixing top plate 108 and the fixing bottom plate 112. The fixed base plate 112 is provided with a mounting hole for connecting the inspection robot.
The elevating motor 103 and the driver 111 are installed inside the mounting frame of the fixing bracket, i.e., between the fixing bracket 106 and the auxiliary bracket 109.
The driver 111 is connected with the lifting motor 103 through a lead and used for controlling the starting and stopping of the motor. The lifting motor 103 is arranged at the upper end of the mounting frame, the output shaft of the motor vertically extends out of the fixed bracket 106, and the lifting gear 104 is fixedly sleeved at the extending end.
The primary main guide rail 107 is vertically installed at the center portion of the front side surface of the fixed bracket 106, the guide surface facing the front side of the fixed bracket. The center of the front side of the fixed top plate 108 protrudes outward to form a protrusion, two rubber cushions, namely an upper cushion block 101 and a lower cushion block 102, are respectively mounted on the lower side and the upper side of the protrusion, and the lower cushion block 102 is located right above the top of the primary main guide rail 107. The first-stage auxiliary sliding block 110 is fixedly installed at the side of the upper end of the first-stage main guide rail 107, and the transmission rack 105 is vertically installed at the other side of the first-stage main guide rail 107. In order to make the structure more compact and increase the strength, the first-stage auxiliary sliding block 110 in this embodiment adopts two small sliding blocks of MGN9C type to be connected in series, and matches with the first-stage auxiliary guide rail 220 of the moving assembly 200 with a width of 9 mm.
As shown in fig. 3 to 6, the moving assembly 200 is composed of 19 parts in total, namely, a screw bracket 213, a screw shaft cover 214, a ball screw 215, a secondary guide rail 216, a screw nut 217, a slider bracket 218, a secondary slider 219, a primary auxiliary guide rail 220, a lifting top plate 221, a lifting bracket 222, a lifting rack 223, a primary main slider 224, a gear box cover 225, a first change gear 226, a second change gear 227, a transmission gear 228, a third change gear 229, a small bevel gear 230, and a large bevel gear 231.
The lifting bracket 222 is a main body part of the moving assembly, and has a lifting top plate 221 mounted at an upper end thereof and a gear box mounted at a lower end thereof.
The ball screw 215 is vertically and rotatably arranged on the front side surface of the lifting bracket 222 through the upper and lower screw brackets 213, and the screw shaft cover 214 is fixed on the screw brackets 213 and forms a support frame with the screw brackets 213. The upper lead screw bracket 213 is a separate part, and the lower lead screw bracket 213 is combined with the gear box cover 225. The secondary guide rail 216 is vertically installed on the rear side of the ball screw 215, the secondary slider 219 can be slidably installed on the secondary guide rail 216, the screw nut 217 is spirally sleeved on the ball screw 215, the screw nut 217 and the secondary slider 219 are installed on the slider bracket 218 together, and the slider bracket 218, the screw nut 217 and the secondary slider 219 form an assembly capable of sliding up and down along the secondary guide rail 216 and the ball screw 215. The secondary guide rail 216 with the guiding function is in sliding fit with the secondary slide block 219, so that the structural stability and the running precision of the ball screw 215 are ensured.
The primary auxiliary rail 220 is installed at a side of the moving bracket 222 with a rail surface facing a rear side of the moving bracket 222. The lifting rack 223 is vertically installed at the side of the moving bracket 222, and the primary main slider 224 is installed at the lower end of the moving bracket 222. In order to make the structure more compact and increase the strength, the first-stage main sliding block 224 in this embodiment adopts two small sliding blocks of MGN9C type to be connected in series, and matches with the first-stage main guide rail 107 with the width of 9mm of the fixing component 100.
The gear box cover 225 is installed at the bottom of the movable bracket 222, the second speed change gear 227 and the first speed change gear 226 are coaxially connected and installed at the inner upper side of the gear box cover 225, the third speed change gear 229 and the large bevel gear 231 are coaxially installed at the inner lower side of the gear box cover 225, the small bevel gear 230 is sleeved and fixed at the lower end of the ball screw 215, the small bevel gear 230 and the large bevel gear 231 are meshed and connected, the third speed change gear 229 is meshed and connected with the first speed change gear 226, and the transmission gear 228 is meshed and connected with the second speed change gear 227.
As shown in fig. 1, the moving assembly 200 is slidably mounted on the fixed assembly 100, and the lifting gear 104 of the fixed assembly 100 is engaged with the lifting rack 223 of the moving assembly 200 to form a primary lifting mechanism; the driving gear 228 of the moving assembly 200 is engaged with the driving rack 105 of the fixed assembly 100 to form a two-stage lifting mechanism.
The lifting motor 103 rotates to drive the lifting gear 104 to synchronously rotate, and the moving assembly 200 is pushed to move up and down through the lifting rack 223; in the process, the transmission gear 228 is meshed with the transmission rack 105, and the up-and-down movement of the movable bracket forces the transmission gear 228 to rotate reversely; the transmission gear 228 drives the bevel pinion 230 to rotate, and drives the ball screw 215 to synchronously rotate; the ball screw 215 drives the screw slider 219 to move up and down in the vertical direction, and then drives the robot end box mounted on the screw slider 219 to move, so that vertical scanning operation is realized.
The specifications and the sizes of the gear and the rack of the two-stage lifting mechanism are completely the same, and the lifting height and the running speed are completely the same. The lifting motor 103 drives the rack and pinion of the first-level lifting mechanism to move, meanwhile, the lifting power is synchronously transmitted to the transmission gear 228 by the reversely arranged second-level lifting mechanism, then the power is transmitted into the gear box by the transmission gear 228 and then transmitted to the screw rod sliding block mechanism, so that the up-and-down scanning of the tail end box of the robot is realized, and the effect of one-by-two driving of a single motor is realized.
The first-level main guide rail 107 of the fixed assembly 100 and the first-level main slider 224 of the movable assembly 200 form a first guide rail slider connecting pair, the first-level auxiliary guide rail 220 of the movable assembly 200 and the first-level auxiliary slider 110 of the fixed assembly 100 form a second guide rail slider connecting pair, and the two connecting pairs are in an interlocking structure, so that the movable support can be locked on the fixed support when descending to the lowest point or ascending to the highest point, the installation gap between the fixed assembly 100 and the movable assembly 200 in the whole operation process is ensured to be unchanged, and the whole structure is more stable and reliable.
The lower cushion block 102 is used for buffering between the primary main sliding block 224 and the primary main guide rail 107 when the moving assembly 200 runs to the highest point, the upper cushion block 101 is used for buffering between the primary auxiliary sliding block 110 and the primary auxiliary guide rail 220 when the moving assembly 200 runs to the lowest point, and the arrangement of the upper cushion block 101 and the lower cushion block 102 can prevent the sliding blocks from being damaged, so that the running reliability of the whole mechanism is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a single motor secondary drive composite elevator who patrols and examines robot, includes fixed subassembly and removal subassembly, its characterized in that:
the fixed component comprises a fixed bracket, and a lifting motor, a lifting gear, a transmission rack and a motor driver which are arranged on the fixed bracket; the motor driver is used for driving the lifting motor to rotate, and the lifting gear is coaxially and fixedly connected with an output shaft of the lifting motor;
the moving assembly comprises a lifting support, a ball screw, a secondary guide rail, a screw nut, a secondary slider, a lifting rack and a gear box, wherein the ball screw, the secondary guide rail, the screw nut, the secondary slider, the lifting rack and the gear box are arranged on the lifting support; the screw nut is connected with the second-stage sliding block to form an assembly, the screw nut and the ball screw form a ball screw transmission pair, the second-stage sliding block and the second-stage guide rail form a guide rail sliding block moving pair, the gear box is fixed at the bottom of the ball screw, the small bevel gear is coaxially sleeved at the lower end of the ball screw and meshed with the large bevel gear, and the large bevel gear is meshed with the transmission gear through the speed change gear set;
the lifting gear is meshed and connected with the lifting rack to form a primary lifting mechanism, and the transmission gear is meshed and connected with the transmission rack to form a secondary lifting mechanism.
2. The single motor two stage drive compound lift of claim 1, wherein: the fixing assembly further comprises a primary main guide rail and a primary auxiliary sliding block, the primary main guide rail is vertically fixed on the fixing support, and the primary auxiliary sliding block is fixed at the upper end of the fixing support; the lifting assembly also comprises a primary auxiliary guide rail and a primary main sliding block, the primary auxiliary guide rail is vertically fixed on the movable support, and the primary main sliding block is fixed at the lower end of the movable support; the first-stage auxiliary sliding block and the first-stage auxiliary guide rail form a first guide rail sliding block moving pair, the first-stage main sliding block and the first-stage main guide rail form a second guide rail sliding block moving pair, and the first guide rail sliding block moving pair and the second guide rail sliding block moving pair form an interlocking structure.
3. The single motor two stage drive compound lift of claim 2, wherein: the upper end of the fixed support is provided with an upper cushion block and a lower cushion block, the lower cushion block is used for buffering between the primary main sliding block and the primary main guide rail when the movable assembly runs to the highest point, and the upper cushion block is used for buffering between the primary auxiliary sliding block and the primary auxiliary guide rail when the movable assembly runs to the lowest point.
4. The single motor two stage drive compound lift of claim 1 or 2, wherein: the ball screw is vertically arranged on the lifting support in a rotatable manner through an upper screw support and a lower screw support, and the screw shaft cover is fixed on the screw supports and forms a support frame with the screw supports.
5. The single motor two stage drive compound lift of claim 1 or 2, wherein: the screw nut is connected with the second-stage slide block through a slide block bracket.
6. The single motor two stage drive compound lift of claim 1 or 2, wherein: the speed change gear set comprises a first speed change gear, a second speed change gear and a third speed change gear, the second speed change gear and the first speed change gear are coaxially connected and installed on the inner upper side of the gear box cover, the third speed change gear and the large bevel gear are coaxially installed on the inner lower side of the gear box cover, the third speed change gear is meshed with the first speed change gear, and the transmission gear is meshed with the second speed change gear.
7. The single motor two stage drive compound lift of claim 1 or 2, wherein: the structure and the size of the gear rack of the first-level lifting mechanism are the same as those of the gear rack of the second-level lifting mechanism.
CN202010907561.5A 2020-09-02 2020-09-02 Single-motor two-stage transmission composite elevator of inspection robot Pending CN111963850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010907561.5A CN111963850A (en) 2020-09-02 2020-09-02 Single-motor two-stage transmission composite elevator of inspection robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010907561.5A CN111963850A (en) 2020-09-02 2020-09-02 Single-motor two-stage transmission composite elevator of inspection robot

Publications (1)

Publication Number Publication Date
CN111963850A true CN111963850A (en) 2020-11-20

Family

ID=73392242

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010907561.5A Pending CN111963850A (en) 2020-09-02 2020-09-02 Single-motor two-stage transmission composite elevator of inspection robot

Country Status (1)

Country Link
CN (1) CN111963850A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113425265A (en) * 2021-06-26 2021-09-24 沈阳天仁合一科技有限公司 AGV mechanism for sleep monitoring therapeutic instrument
CN114636077A (en) * 2022-02-16 2022-06-17 康威通信技术股份有限公司 Multi-stage transmission telescopic lifting platform and lifting control method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113425265A (en) * 2021-06-26 2021-09-24 沈阳天仁合一科技有限公司 AGV mechanism for sleep monitoring therapeutic instrument
CN113425265B (en) * 2021-06-26 2024-05-24 沈阳天仁合一科技有限公司 AGV mechanism for sleep monitoring therapeutic instrument
CN114636077A (en) * 2022-02-16 2022-06-17 康威通信技术股份有限公司 Multi-stage transmission telescopic lifting platform and lifting control method
CN114636077B (en) * 2022-02-16 2024-03-29 康威通信技术股份有限公司 Multistage transmission telescopic lifting platform and lifting control method

Similar Documents

Publication Publication Date Title
CN111963850A (en) Single-motor two-stage transmission composite elevator of inspection robot
CN212825413U (en) Single section hanging rail inspection robot
CN112103840A (en) Railway contact net inspection robot
CN212480650U (en) Single-motor two-stage transmission composite elevator of inspection robot
US20240034187A1 (en) Unlocking mechanism, support assembly, battery pack unlocking method, and battery pack locking method
CN219366709U (en) Synchronous wheel linear driving device
CN218751439U (en) Elevating system of unmanned aerial vehicle hangar
CN110919694B (en) Compact type combined rack type lifter with low starting point and long travel
CN115384643B (en) All-terrain agricultural crop information monitoring mobile platform and monitoring method
CN110667717A (en) Triangular wheel inspection robot applied to subway train inspection warehouse
CN215109035U (en) Mining suspension traction type inspection device for return air roadway
CN115459133A (en) A equipment of patrolling and examining for electric wire netting underpass
CN211856381U (en) Computer comprehensive test box
CN110145575B (en) Linear module synchronous belt supporting system and control method
CN112550317A (en) Automatic pedal device and system for filling gaps of subway platform
CN208168491U (en) A kind of electronic heavily loaded multiple spot lifting mechanism
CN215322546U (en) Obstacle detection device and suspension type track inspection robot
CN210942024U (en) Triangular wheel inspection robot applied to subway train inspection warehouse
CN220429884U (en) Dual-motor state monitoring device of electric vehicle
CN221341135U (en) Vehicle-mounted unmanned aerial vehicle lifting mechanism, vehicle-mounted unmanned aerial vehicle hangar assembly and vehicle
CN214164970U (en) Automatic pedal device and system for filling gaps of subway platform
CN216190451U (en) Gantry crane track driving device and gantry crane
CN215881626U (en) Single-motor-driven steering and linear-motion inspection robot load platform
CN221253599U (en) EMS double-encoder positioning device capable of self-adapting to vehicle type height
CN115580313B (en) Equipment indicator light signal collection device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination